Prefabrication Fabricator / Welder – Plumbing & Mechanical Piping

Build Quality. Build Efficiency. Build Your Career.

W.B. Guimarin & Co. is seeking an experienced Prefabrication Fabricator/Welder to join our growing fabrication team. This position is responsible for fabricating high-quality commercial assemblies for systems that include but are not limited to plumbing and mechanical piping.

The ideal candidate has strong welding and pipe fabrication skills, can read blueprints and spool drawings, and takes pride in producing accurate, high-quality work.

What You'll Do

• Read and interpret blueprints, fabrication drawings, isometric drawings, and spool sheets.
• Lay out, measure, cut, bevel, fit, tack, and weld piping assemblies according to project specifications.
• Fabricate commercial plumbing and mechanical piping systems using carbon steel, stainless steel, copper, PVC, CPVC, and other piping materials.
• Assemble valves, fittings, flanges, hangers, supports, and mechanical equipment into prefabricated assemblies.
• Perform MIG, TIG, Stick (SMAW), and other welding processes as required.
• Operate fabrication equipment including pipe threaders, grooving machines, beveling machines, band saws, ironworkers, grinders, drill presses, forklifts, and overhead cranes.
• Assemble pipe racks, equipment skids, risers, valve stations, and modular piping systems for field installation.
• Verify dimensions and quality of fabricated assemblies before shipment.
• Perform pressure testing or leak testing when required.
• Work closely with project managers, foremen, and field teams to ensure fabricated assemblies meet project schedules and quality expectations.

Qualifications

• 3+ years of experience in pipe fabrication, welding, commercial plumbing, pipefitting, or mechanical piping.
• Ability to read and interpret construction drawings and fabrication prints.
• Experience with commercial plumbing and mechanical piping systems.
• Proficiency using shop fabrication tools and welding equipment.
• Working knowled...